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/* |
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* emul_op.cpp - 68k opcodes for ROM patches |
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* |
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* SheepShaver (C) 1997-2004 Christian Bauer and Marc Hellwig |
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* SheepShaver (C) 1997-2005 Christian Bauer and Marc Hellwig |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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#include "debug.h" |
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#if __BEOS__ |
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#define PRECISE_TIMING 1 |
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#else |
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#define PRECISE_TIMING 0 |
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#endif |
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// TVector of MakeExecutable |
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static uint32 MakeExecutableTvec; |
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InstallDrivers(); |
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// Patch MakeExecutable() |
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MakeExecutableTvec = (uint32)FindLibSymbol("\023PrivateInterfaceLib", "\016MakeExecutable"); |
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MakeExecutableTvec = FindLibSymbol("\023PrivateInterfaceLib", "\016MakeExecutable"); |
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D(bug("MakeExecutable TVECT at %08x\n", MakeExecutableTvec)); |
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WriteMacInt32(MakeExecutableTvec, NativeFunction(NATIVE_MAKE_EXECUTABLE)); |
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#if !EMULATED_PPC |
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MacOSUtilReset(); |
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AudioReset(); |
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// Enable DR emulator |
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if (PrefsFindBool("jit68k")) { |
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// Enable DR emulator (disabled for now) |
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if (PrefsFindBool("jit68k") && 0) { |
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D(bug("DR activated\n")); |
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WriteMacInt32(KernelDataAddr + 0x17a0, 3); // Prepare for DR emulator activation |
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WriteMacInt32(KernelDataAddr + 0x17c0, DR_CACHE_BASE); |
